Granted Patent
Utility
US 6,055,258 · App. 09/148,376
Laser diode with an ion-implanted region
Inventors:
Dana M. Beyea, Todd Martin Dixon, Edward M. Clausen
Patented Case
View Patent ↗
Granted: Apr 25, 2000
Filed: Sep 4, 1998
Inventors
Dana M. Beyea
Todd Martin Dixon
Edward M. Clausen
Assignee (at issue)
Polaroid Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.